1320313452 has 24 divisors (see below), whose sum is σ = 3152377536. Its totient is φ = 429869328.

The previous prime is 1320313451. The next prime is 1320313481. The reversal of 1320313452 is 2543130231.

It is a super-2 number, since 2×1320313452² = 3486455223064312608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320313451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278858 + ... + 1279889.

It is an arithmetic number, because the mean of its divisors is an integer number (131349064).

Almost surely, 2^1320313452 is an apocalyptic number.

1320313452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320313452 is an abundant number, since it is smaller than the sum of its proper divisors (1832064084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320313452 is a wasteful number, since it uses less digits than its factorization.

1320313452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558797 (or 2558795 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1320313452 is about 36336.1177342875. The cubic root of 1320313452 is about 1097.0481330884.

Adding to 1320313452 its reverse (2543130231), we get a palindrome (3863443683).

The spelling of 1320313452 in words is "one billion, three hundred twenty million, three hundred thirteen thousand, four hundred fifty-two".